CN105638269A - Soybean acid rain reliever, application thereof and method for increasing soybean yield under stress of acid rain - Google Patents
Soybean acid rain reliever, application thereof and method for increasing soybean yield under stress of acid rain Download PDFInfo
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- CN105638269A CN105638269A CN201610009410.1A CN201610009410A CN105638269A CN 105638269 A CN105638269 A CN 105638269A CN 201610009410 A CN201610009410 A CN 201610009410A CN 105638269 A CN105638269 A CN 105638269A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention discloses a soybean acid rain reliever. L-ascorbic acid and polyaspartic acid serve as effective components and dissolved in water to prepare the soybean acid rain reliever. The concentration of L-ascorbic acid is 70-130 micrograms per liter, and the concentration of polyaspartic acid is 60-100 microliters per liter. The invention further discloses application of the soybean acid rain reliever for increasing the soybean yield under stress of acid rain and further discloses a method for increasing the soybean yield under stress of acid rain. The method includes the step that the soybean acid rain reliever is sprayed to leaf surfaces in the soybean flowering period, wherein the spraying amount is 50 mL/m<2>, and the spraying strength is 100 mL/min. Soybeans processed through the soybean acid rain reliever have an obviously higher grain number in each pod, an obviously higher hundred-grain weight and obviously higher yield than the unprocessed contrast, and the yield is increased by 52.8%.
Description
Technical field
The invention belongs to phytology field, it relates to a kind of soybean acid rain alleviating agent and application thereof coerce the method for lower soybean yield-increasing with acid rain.
Background technology
Soybean is Chinese important cash crop, and acid rain is comparatively responsive. China's Soybean production has been caused obvious loss by acid rain, and southern china seven province soybean reaches 1,590,000 hm because of acid rain disaster area according to statistics2, the underproduction reaches 200,000 tons, annual financial loss 1.4 hundred million yuan. Meanwhile, in recent years, the intensity of acid rain and frequency all have the trend of increase, and soybean is as crop spring and summer, and breeding time is in summer, the season that summer, acid rain occurrence was higher just, are all the food crop paddy rice of summer crop than it, and the soybean degree that is hurt is bigger. Therefore under how improving acid rain, soybean yields is significant to soybean high-yield cultivation.
The big Tofu pudding pod phase is very responsive to environmental factor, is the important period of yield forming, strengthens this growthdevelopmental stage soybean to the resistibility of acid rain, just likely significantly improves output. Foliage-spray produces upper common process technology, and it can affect plant inner metabolism rapidly, effectively, promotes plant strain growth, it is to increase stress resistance.
Summary of the invention
It is an object of the invention to provide a kind of method that lower soybean yield-increasing coerced by soybean acid rain alleviating agent and application and acid rain thereof, soybean joint number, branch amount, end pod height, 100-grain weight, every pod grain number and single-strain grain weight can be improved by spraying this acid rain alleviating agent, produce, to solve, the problem that upper acid rain reduces soybean yields.
It is an object of the invention to be achieved through the following technical solutions:
A kind of soybean acid rain alleviating agent, taking L-AA and poly-aspartic-acid as effective constituent, L-AA and poly-aspartic-acid are dissolved in water and obtain soybean acid rain alleviating agent, the concentration of described L-AA is 70��130 �� g/L, and the concentration of poly-aspartic-acid is 60��100 �� L/L.
Preferably, in described soybean acid rain alleviating agent, the concentration of L-AA is 100 �� g/L, and the concentration of poly-aspartic-acid is 80 �� L/L.
Soybean acid rain alleviating agent of the present invention is promoting that acid rain coerces the application of lower soybean yields.
Acid rain coerces a method for lower soybean yield-increasing, comprising: when soybean bloom, foliage-spray soybean acid rain alleviating agent of the present invention; Described soybean acid rain alleviating agent is taking L-AA and poly-aspartic-acid as effective constituent, L-AA and poly-aspartic-acid are dissolved in water and obtain soybean acid rain alleviating agent, the concentration of AsA is 70��130 �� g/L, and the concentration of PASP is 60��100 �� L/L.
Preferably, the described soybean acid rain alleviating agent amount of spraying is 50mL/m2, spraying intensity is 100mL/min.
Preferably, in described soybean acid rain alleviating agent, the concentration of L-AA is 100 �� g/L, and the concentration of poly-aspartic-acid is 80 �� L/L.
The useful effect of the present invention:
1) the present invention drops into low, simple to operate, successful, makes L-AA and poly-aspartic-acid create synergy, it is possible to strengthen the resistance to acid rain of soybean.
2) this treatment process improves soybean upgrowth situation under acid rain, it is to increase output, volume increase 52.8%.
Embodiment
By embodiment, the technical scheme of the present invention is described further.
Take L-AA and poly-aspartic-acid, the concentration being dissolved in water by L-AA (AsA) and poly-aspartic-acid (PASP) obtained L-AA is 100 �� g/L, and the concentration of poly-aspartic-acid is the soybean acid rain alleviating agent of 80 �� L/L.
Simulated Acid Rain and simulation normal precipitation preparation: SO4 2-: NO3 -According to the proportional arrangement mother liquor of 8:1, with distilled water diluting, being configured to the acidic aqueous solution that pH is respectively 2.5 and 5.6, pH is the acidic aqueous solution of 2.5 is Simulated Acid Rain, and pH is the acidic aqueous solution of 5.6 is the normal precipitation of simulation.
Embodiment 1
Taking soybean varieties south agriculture 1138-2 (the weak kind of antiacid rain) and rich No. 1 of section (the strong kind of antiacid rain) as material, potted plant growth, manages according to a conventional method. Carry out five process, it is respectively: acid rain alleviating agent pre-treatment: in foliage-spray soybean acid rain alleviating agent in flowering period (100 �� g/LAsA+80 �� L/LPASP), the amount of spraying is 50mL/m2, spraying intensity is 100mL/min; 100 �� g/LAsA pre-treatment: at foliage-spray 100 �� g/LAsA in flowering period, the amount of spraying is 100mL/m2, spraying intensity is 100mL/min; 80 �� L/LPASP pre-treatment: at foliage-spray 80 �� L/LPASP in flowering period, the amount of spraying is 100mL/m2, spraying intensity is 100mL/min; PH2.5 treatment with simulated acid rain: do not carry out any pre-treatment and spray pH2.5 Simulated Acid Rain; Blank: do not carry out any pre-treatment and spray pH5.6 and simulate normal precipitation. After spraying soybean acid rain alleviating agent (100 �� g/LAsA+80 �� L/LPASP), 100 �� g/LAsA, 80 �� L/LPASP, 2d sprays pH2.5 acid rain. The frequency that the amount of spraying reference nearly 10 year year of the Nanjing average acid rainfall of acid rain and acid rain occur, spraying frequency is every 10d1 time, and each amount of spraying is equivalent to 10mm rainfall amount, and spraying intensity is every minute about 0.5mm, and always spraying number of times is 2 times. Spraying acid rain sampling and measuring biomass, leaf area and strain height after 5 days for 2nd time, result is as shown in table 1.
Acid rain is coerced the impact of lower soybeans they grow by table 1 different treatment method
As shown in table 1, AsA, PASP and acid rain alleviating agent (AsA+PASP) pre-treatment significantly improve acid rain and coerce lower two soybean varieties biomasss, leaf area and strain height, not remarkable with blank difference.Wherein, alleviating agent pretreating effect is the most obvious. Although the more independent 100 �� g/LAsA of the soybean acid rain alleviating agent amount of spraying, the 80 �� L/LPASP amounts of spraying reduce by half, but more independent 100 �� g/LAsA, 80 �� L/LPASP pre-treatment add 28.9% and 16.3% to south agriculture 1138-2 biomass respectively, leaf area adds 15.7% and 19.6% respectively, strain height adds 10.4% and 5.8% respectively, more independent 100 �� g/LAsA, 80 �� L/LPASP pre-treatment add 10.6% and 17.7% to rich No. 1 biomass of section respectively, leaf area adds 18.6% and 11.1% respectively, and strain height adds 12.8% and 10.0% respectively.
Embodiment 2
Taking soybean varieties south agriculture 99-6 as material, field planting, manages according to a conventional method, carries out 4 process, and each process repeats for three times, and random district group arranges, plot area 2m �� 3m, line-spacing 50cm, spacing in the rows 8cm, and species test in November is surveyed and produced, and result is as shown in table 2. Acid rain alleviating agent pre-treatment: in foliage-spray soybean acid rain alleviating agent in flowering period (100 �� g/LAsA+80 �� L/LPASP), the amount of spraying of soybean acid rain alleviating agent is 50mL/m2, spraying intensity is 100mL/min; 100 �� g/LAsA pre-treatment: at foliage-spray 100 �� g/LAsA in flowering period; 80 �� L/LPASP pre-treatment: at foliage-spray 80 �� L/LPASP in flowering period. The amount of spraying of 100 �� g/LAsA, 80 �� L/LPASP is 100mL/m2, spraying intensity is 100mL/min; It is treated to blank not spray soybean acid rain alleviating agent.
Under table 2 field condition, acid rain is coerced the impact of lower soybean economical character and output by different treatment method
The display of table 2 result at the bottom of the agriculture 99-6 of AsA, PASP and acid rain alleviating agent pretreated south pod height, single strain angle fruit number, strain height, single-strain legumen number, every pod grain number and single plant yield relatively treatment with simulated acid rain all significantly rise, it is seen that adopt soybean acid rain alleviating agent to spray soybean blade face and can significantly promote soybean yield per unit under acid rain is coerced. Wherein, acid rain alleviating agent pretreating effect is the most obvious, has increased production 52.8%, spray separately 100 �� g/LAsA, 80 �� L/LPASP, increased production 30%, 43.7% compared with blank respectively compared with blank (not spraying acid rain alleviating agent); Although the amount of spraying of soybean acid rain alleviating agent sprays 100 �� g/LAsA than separately, the amount of spraying of 80 �� L/LPASP decreases one times, 17.5% and 6.2% are increased production respectively.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a soybean acid rain alleviating agent, it is characterized in that it is taking L-AA and poly-aspartic-acid as effective constituent, L-AA and poly-aspartic-acid are dissolved in water and obtain soybean acid rain alleviating agent, the concentration of described L-AA is 70��130 �� g/L, and the concentration of poly-aspartic-acid is 60��100 �� L/L.
2. soybean alleviating agent according to claim 1, it is characterised in that in described soybean acid rain alleviating agent, the concentration of L-AA is 100 �� g/L, the concentration of poly-aspartic-acid is 80 �� L/L.
3. soybean acid rain alleviating agent according to claim 1 is promoting that acid rain coerces the application of lower soybean yields.
4. an acid rain coerces the method for lower soybean yield-increasing, it is characterised in that comprising: when soybean bloom, foliage-spray soybean acid rain alleviating agent according to claim 1;Described soybean acid rain alleviating agent is taking L-AA and poly-aspartic-acid as effective constituent, L-AA and poly-aspartic-acid are dissolved in water and obtain soybean acid rain alleviating agent, the concentration of L-AA is 70��130 �� g/L, and the concentration of poly-aspartic-acid is 60��100 �� L/L.
5. acid rain according to claim 4 coerces the method for lower soybean yield-increasing, it is characterised in that the described soybean acid rain alleviating agent amount of spraying is 50mL/m2, spraying intensity is 100mL/min.
6. acid rain according to claim 4 coerces the method for lower soybean yield-increasing, it is characterised in that in described soybean acid rain alleviating agent, the concentration of L-AA is 100 �� g/L, and the concentration of poly-aspartic-acid is 80 �� L/L.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111418417A (en) * | 2020-03-30 | 2020-07-17 | 华南农业大学 | Application of acid-base buffer system in improving acid rain resistance of plant leaves |
Citations (3)
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| CN102491826A (en) * | 2011-11-11 | 2012-06-13 | 南京农业大学 | Multielement regulating foliage fertilizer for relieving water logging stress of soybeans and preparation method for multielement regulating foliage fertilizer |
| CN102633576A (en) * | 2012-04-28 | 2012-08-15 | 浙江农林大学 | Soil nutrient protective agent for preventing harm of acid rain |
| CN104886053A (en) * | 2015-05-14 | 2015-09-09 | 昆明理工大学 | Application of ascorbic acid to improvement of plant photosynthesis efficiency |
-
2016
- 2016-01-07 CN CN201610009410.1A patent/CN105638269A/en active Pending
Patent Citations (3)
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|---|---|---|---|---|
| CN102491826A (en) * | 2011-11-11 | 2012-06-13 | 南京农业大学 | Multielement regulating foliage fertilizer for relieving water logging stress of soybeans and preparation method for multielement regulating foliage fertilizer |
| CN102633576A (en) * | 2012-04-28 | 2012-08-15 | 浙江农林大学 | Soil nutrient protective agent for preventing harm of acid rain |
| CN104886053A (en) * | 2015-05-14 | 2015-09-09 | 昆明理工大学 | Application of ascorbic acid to improvement of plant photosynthesis efficiency |
Non-Patent Citations (5)
| Title |
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| XUANBO ZHANG等: "Combined Effects of Lanthanum (III) and Acid Rain on Antioxidant Enzyme System in Soybean Roots", 《PLOS ONE》 * |
| 周琴等: "外源抗坏血酸对酸雨胁迫油菜幼苗的缓解效应", 《农业环境科学学报》 * |
| 周青等: "钐-甘氨酸-维生素B_6对酸雨胁迫下大豆幼苗的影响", 《中国生态农业学报》 * |
| 曹春信: "酸雨对油菜的胁迫机理及外源抗坏血酸的缓解效应研究", 《中国优秀硕士学位论文全文数据库 农业科技辑》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111418417A (en) * | 2020-03-30 | 2020-07-17 | 华南农业大学 | Application of acid-base buffer system in improving acid rain resistance of plant leaves |
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